1121223242233 has 2 divisors, whose sum is σ = 1121223242234. Its totient is φ = 1121223242232.

The previous prime is 1121223242179. The next prime is 1121223242257. The reversal of 1121223242233 is 3322423221211.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1039202864569 + 82020377664 = 1019413^2 + 286392^2 .

It is an emirp because it is prime and its reverse (3322423221211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1121223242233 - 2²⁵ = 1121189687801 is a prime.

It is not a weakly prime, because it can be changed into another prime (1121223242033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560611621116 + 560611621117.

It is an arithmetic number, because the mean of its divisors is an integer number (560611621117).

Almost surely, 2^{1121223242233} is an apocalyptic number.

It is an amenable number.

1121223242233 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121223242233 is an equidigital number, since it uses as much as digits as its factorization.

1121223242233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 28.

Adding to 1121223242233 its reverse (3322423221211), we get a palindrome (4443646463444).

The spelling of 1121223242233 in words is "one trillion, one hundred twenty-one billion, two hundred twenty-three million, two hundred forty-two thousand, two hundred thirty-three".